Reality check: The median regular poster on HN is probably in the 95th percentile or better for intelligence, knowledge, and general cluefulness. Hell, the median poster on slashdot is probably well above average.

The bloggers on ScienceBlogs are, in general, competent, intelligent, and well-educated. A faux-folksy disdain for competence plays well for the masses, but politically correct or not there is such thing as actual expertise and I don't know why you're insulting someone for pointing out that a large majority of people are completely unequipped to discuss anything involving even very basic statistics (or any other practical math).